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渤海是我国半封闭性的内海,总面积9万多平方公里,平均水深仅有18米,沿岸百余条河流入海,水质肥沃,饵料生物丰富,它为北方三省一市数十万渔民,提供多种鱼虾贝藻资源,每年沿岸4万多条渔船下海,投入三十多万件网具从事捕捞生产,渔业收入是渔民的主要生活依据。近年渤海总产量虽维持在30来万吨,但资源结构发生了明显的变化,出现了大的种群更替,传统的经济鱼类如小黄鱼、带鱼、
Bohai Sea is a semi-enclosed inland sea in China with a total area of more than 90,000 square kilometers and an average water depth of only 18 meters. There are over a hundred rivers along the coast into the sea with rich water quality and abundant food organisms. It provides hundreds of thousands of fishermen in three provinces and one city in the north, A variety of fish and shellfish resources, each year more than 40,000 fishing boats down the sea, invested more than 300,000 pieces of fishing gear in the network, fishery income is the main basis for life. Although the total output of Bohai Sea in recent years, although maintained at 30 to 10,000 tons, but the resource structure has undergone significant changes in the emergence of a large population turnover, the traditional economic fish such as small yellow croaker, octopus,